New to building a wind generator -- Need help

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Discussion Overview

The discussion revolves around the challenges faced by a participant in building a wind generator using a Fisher and Paykel stator and rotor. The focus is on the mechanical issues related to rotor movement and the interaction between the rotor and stator, as well as the principles of electricity generation in this context.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • One participant expresses difficulty in getting the rotor to spin, noting that the strong magnets seem to prevent movement and questioning the effectiveness of wind in generating power.
  • Another participant suggests that the design should involve separation between magnets and coils to facilitate the Faraday effect, implying that the current setup may not be optimal.
  • A different participant asserts that there is likely an issue with the setup, mentioning that F&P rotors should spin freely and recommending checks for bearings and interference.
  • One participant references "cogging," describing it as the resistance to initial movement of the rotor, which diminishes once it is in motion, suggesting this could be a factor affecting the project.
  • A link to additional resources is provided, indicating that further research may be beneficial.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the cause of the rotor's inability to spin freely. There are multiple competing views regarding the setup and design considerations, indicating that the discussion remains unresolved.

Contextual Notes

Participants mention potential issues such as cogging and interference, but these points remain unverified and depend on specific conditions of the setup. The discussion highlights the need for further exploration of the design and mechanical interactions involved.

Yhelena H
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I thought it is easy when I was watching all sorts of instruction videos. However, now I have Fisher and Paykel stator and rotor, and I cannot solve how rotor is suppose to spin. The magnets are so strong that I do not think any wind will be able to move it.
When I received my parts, I had hard time separating rotor and stator, magnets are holding them together and rotor won't spin without a great force (I could not move it manually). What am I missing?
In those videos where people show how they hooked up a light bulb to it and even with light spin, it generates enough power for the bulb to work, it does not seem like it takes any efforts to spin the rotor.
Need a suggestion, please.
 
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I do not know to much about this topic at all, but I think the idea is that the blades turn either a magnet of a coil of wire (faraday effect) to generate electricity. Therefore, I would think that the magnets should not be touching or be together but rather separated so you can put the coil between to generate the effect.
Is not sure about the specifics of this design, but it would look at the videos specifically showing what they did with these parts as you might have to take them apart somehow or have a piece that goes in between them!
Sorry I am not more help!
 
Yhelena H said:
What am I missing?

There is something wrong with your set up. I have worked on many F&P rotors and stators and they should spin quite freely; with one or two fingers, even when they are in terrible condition. Check bearings, shafts, interference ect
 
Yhelena H said:
I thought it is easy when I was watching all sorts of instruction videos. However, now I have Fisher and Paykel stator and rotor, and I cannot solve how rotor is suppose to spin. The magnets are so strong that I do not think any wind will be able to move it.
When I received my parts, I had hard time separating rotor and stator, magnets are holding them together and rotor won't spin without a great force (I could not move it manually). What am I missing?
In those videos where people show how they hooked up a light bulb to it and even with light spin, it generates enough power for the bulb to work, it does not seem like it takes any efforts to spin the rotor.
Need a suggestion, please.

I don't know anything about this either, but I found this without too much trouble

http://sabels.co.za/FP.pdf

Cogging
•Resistance of the Smart Drive rotor to turn freely from the stationary position.
•Once moving, this resistance drops away to almost nothing.
•Seriously affects -the blade is reluctant to start rotating.

google "Fisher and Paykel wind generator decogging"

good luck with your project
 

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